Gurawa S.S.S first sem. Physics test 2 for grade 10^th in2017 Name Alump sect NO 1. Say true or false 1. All bodies can be stretched or compressed. 2. Plastic deformation is permanent and irreversible. 3. When the density of water is greater the density substance an object will be sink. 4. The first condition of equilibrium state that the net torque acting upon the object must be zero. 5. For metals the young modulus are large. 6. The SI unit of strain is Newton per meter square. II. Matching A 7. Stress 8. Strain 9. Young modulus 10. Strain under tensile 11.Strein under bulk 12. Strain under linear 13. The Si unit of Young modulus 14. The SI unit of stress III. Choice the best answer B. B A. The ratio of tensile stress to tensile strain B. The ratio of change in length to original length C. the ratio of force per area D. tensile strain E. Volume Strain F. Shearing strain G. Newton per square meter 15. If the force of 9.8N acting on cross-sectional area 2times 10^-3m^2 the tensile stress is 4.9times 10^3N/M^2 49times 10^2N/m^2 C. 4900N/m^2 D. all

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Gurawa S.S.S first sem. Physics test 2 for grade 10^th in2017 Name Alump sect NO 1. Say true or false 1. All bodies can be stretched or compressed. 2. Plastic deformation is permanent and irreversible. 3. When the density of water is greater the density substance an object will be sink. 4. The first condition of equilibrium state that the net torque acting upon the object must be zero. 5. For metals the young modulus are large. 6. The SI unit of strain is Newton per meter square. II. Matching A 7. Stress 8. Strain 9. Young modulus 10. Strain under tensile 11.Strein under bulk 12. Strain under linear 13. The Si unit of Young modulus 14. The SI unit of stress III. Choice the best answer B. B A. The ratio of tensile stress to tensile strain B. The ratio of change in length to original length C. the ratio of force per area D. tensile strain E. Volume Strain F. Shearing strain G. Newton per square meter 15. If the force of 9.8N acting on cross-sectional area 2times 10^-3m^2 the tensile stress is 4.9times 10^3N/M^2 49times 10^2N/m^2 C. 4900N/m^2 D. all

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I. Say true or false __ 1. False __ 2. False __ 3. True __ 4. True __ 5. True __ 6. False II. Matching 7. C. the ratio of force per area 8. B. The ratio of change in length to original length 9. A. The ratio of tensile stress to tensile strain 10. D. tensile strain 11. E. Volume Strain 12. F. Shearing strain 13. G. Newton per square meter 14. G. Newton per square meter III. Choice the best answer 15. C. $4900N/m^{2}$

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